[LarryMade2]

What sort of change?

Have you asked them what they don't like about the change? - Just letting them say their peace to the right people will alleviate some of their anxiety, especially if the concerns are repeated and addressed or at least responded to.

Does it clearly solve problems in the existing system? - Show them the pain categories in the old system that the new one will address, features that work better or are easier to maintain.

Are you giving them enough learning/experiential on the new system? - Let them try out new methods on the new system such as testing solutions that they feel might not work, so they can see all is good, or really less impossible they may have thought.

Once they feel effective on implementing the change then they will better cope with what needs to be done and work toward it.